20481670

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{16927}}^1$

素因数の和:16956

約数の個数: 24

約数和(自身を含む): 40525632

約数和(自身を除く): 20043962

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 16927, 33854, 84635, 169270, 186197, 372394, 930985, 1861970, 2048167, 4096334, 10240835, 20481670]

約数ペア:

[(1, 20481670), (2, 10240835), (5, 4096334), (10, 2048167), (11, 1861970), (22, 930985), (55, 372394), (110, 186197), (121, 169270), (242, 84635), (605, 33854), (1210, 16927)]